242421102423 has 8 divisors (see below), whose sum is σ = 359142374000. Its totient is φ = 161614068264.

The previous prime is 242421102389. The next prime is 242421102437. The reversal of 242421102423 is 324201124242.

It is a happy number.

242421102423 is a `hidden beast` number, since 2 + 4 + 24 + 211 + 0 + 2 + 423 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-242421102423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8978559349 = 242421102423 / (2 + 4 + 2 + 4 + 2 + 1 + 1 + 0 + 2 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242421102223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489279648 + ... + 4489279701.

It is an arithmetic number, because the mean of its divisors is an integer number (44892796750).

Almost surely, 2^242421102423 is an apocalyptic number.

242421102423 is a deficient number, since it is larger than the sum of its proper divisors (116721271577).

242421102423 is an equidigital number, since it uses as much as digits as its factorization.

242421102423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978559358 (or 8978559352 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 242421102423 its reverse (324201124242), we get a palindrome (566622226665).

The spelling of 242421102423 in words is "two hundred forty-two billion, four hundred twenty-one million, one hundred two thousand, four hundred twenty-three".